What part of a nerve senses things and collects signals
Dendrite
If a nerve cell is myelinated does it make it white or gray matter
White
What is the thin coating/membrane on the outside of the brain
Pia mater
What are the two parts that are in the CNS?
Brain , spinal cord
What do schwann cells produce for the peripheral nervous system (PNS)?
Myelin sheaths
Term that is used for how the electricity moves through a nerve
Action potential
Part of the nerve that has the nucleus in it
Cell body
Three part of the brain stem
Pons , medulla oblongata, midbrain
What do you call the spaces in between the milenation in the axon
Nodes of raniver
What are all support cells in the CNS called
Neuroglia
Part of the brain that is in charge of coordination
Cerebellum
What part of the brain is known as the relay center (egg shaped)
Thalamus
As an axon moves off the cells body it is tapered and goes from wide to narrow. What is this called?
Axon Hillock
General term for the system that is away from the CNS
Peripheral Nervous System (PNS)
What do you call the neurons that connect motor neurons and sensory neurons in the spinal cord
Interneurons or association neurons
What is the end of the axon called
Axon terminal
Disorder when blood supply to the brain is blocked
CVA / stroke
What neuron moves to the CNS
Sensory neurons
What color are unmyelinated nerves
Gray
What is the thick outer covering of the brain called
Dura mater
Two divisions of the CNS
Sympathetic and parasympathetic
Layer between the dura mater and pia mater
Arachnoid layer
Does the CNS or PNS have nerves
PNS
What are the support cells that produce myelin in the CNS
Oligodendrocytes
What is the split between the right and left hemispheres of the cerebrum
Longitudinal fissure
Longest part of a nerve cell called
Axon
What are the cells in the CNS called
Tracts
Study this diagram!!